課vue源碼二筆記解讀1web12瑞客

htmlhtml(node,vm,{this.update(node,vm,exp,htmlUpdater(node,{node.innerHTML=model(node,model(node,vm,exp)this.update(node,vm,exp,node.addEventListener("input",e{vm[exp]=}modelUpdater(node,{node.value=}compileElement(node)letnodeAttrs=node.attributes;Array.from(nodeAttrs).forEach(attr=>{// if(attrName.indexOf("@")==0)//constdir=attrName.substring(1); this.eventHandler(node,this.$vm,exp,}}處理:給node 通過vm.$options.methods[exp]eventHandler(node,vm,exp,dir)letletfn=vm.$options.methods&&vm.$options.methods[exp];if(dir&&fn){node.addEventListener(dir,}}安裝依賴：npm安裝打包工具：npmirollup-"dev":"dev":"rollup-w-cscripts/config.js--sourcemap--environmentnpmnpmrun修改samples里面的文件新生成的 Vue({tem src\Vtotype.$mountVtotype.$mount=function(el?:string|Element,hydrating?:boolean):Componentel=el&&inBrowser?query(el):undefined ponent(this,el,hydrating)}functionfunctionVue(options)if(process.env.NODE_ENV!=='production'!(thisinstanceof)warn('Vueisaconstructorandshouldbecalledwiththe`new`}}initMixin(Vue實現(xiàn)上面的_initcallHook(vm,initInjections(vm)//resolveinjectionsbeforedata/propsinitProvide(vm)//resolveprovideafterdata/propscallHook(vm,'created') childreninitInjections獲取注入數(shù)據(jù)并做響應化 stateMixin：實現(xiàn)set,$delete destroyinitDataobserve(data,true/*asRootDataobserveobob=newObserver(value)returnobwalk(obj:Object)observeArray(items:Array<any>){enumerable:true,configurable:get:functionreactiveGetter()set:functionreactiveSetter(newVal)depend()ifdepend()if{}}Watchersrc\core\observer\watcher.jswatcher和dep互相添加addDepaddDep(dep:{constid=ifif{}}}updateupdate()/*istanbulignoreelse*/if(this.lazy){this.dirty=}elseif{}else}}queueWatchercallbacks.push(()callbacks.push(()=>cb.call(ctx))ifif{if(hasProto)protoAugment(valuearrayMethods)}else copyAugment(value,arrayMethods,}}arrayMethodsmethodsToPatch.forEach(functionmethodsToPatch.forEach(function(method)//cacheoriginalconstoriginal=def(arrayMethods,method,functionmutator(...args)constresult=original.apply(this,constob=this.ob